NIKO KEYS MD
NPI 1881783793
Emergency Medicine in Winfield, IL
About Niko Keys Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NIKO KEYS MD (NPI 1881783793) is an individual emergency medicine provider in Winfield, Illinois, licensed in Illinois (036-087588) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Osf Saint Elizabeth Mdl Ctr, and maintains a secondary practice location in Lisle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Niko Keys Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
9Medicare enrollment records show Niko Keys reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Winfield, IL 60190
- Reassigned Medicare billing, Illinois enrollment
- 64 clinicians in this Medicare group
Winfield, IL 60190
- Reassigned Medicare billing, Illinois enrollment
- 129 clinicians in this Medicare group
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 1,061 clinicians in this Medicare group
Mendota, IL 61342
- Reassigned Medicare billing, Illinois enrollment
- 95 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Clinton, IL 61727
- Reassigned Medicare billing, Illinois enrollment
- 27 clinicians in this Medicare group
Robinson, IL 62454
- Reassigned Medicare billing, Illinois enrollment
- 116 clinicians in this Medicare group
Ft. Worth, TX 76116
- Reassigned Medicare billing, Illinois enrollment
- 17 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Illinois enrollment
- 48 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Osf Saint Elizabeth Mdl Ctr
Acute Care Hospitals · Ottawa, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILWarner Hospital And Health Services
Critical Access Hospitals · Clinton, ILOsf Saint Paul Medical Center
Critical Access Hospitals · Mendota, ILCrawford Memorial Hospital
Critical Access Hospitals · Robinson, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60190 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINFIELD, IL 60190
WINFIELD, IL 60190
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Niko Keys's NPI number?
The NPI number for Niko Keys is 1881783793. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is Niko Keys located?
Niko Keys practices at 25 N. Winfield Road, Winfield, IL 60190. The listed phone number is (630) 933-2640.
What is Niko Keys's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Niko Keys enrolled in Medicare?
Yes. Niko Keys is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Niko Keys's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Niko Keys reassigns Medicare benefits to 9 organizations: Central Dupage Emergency Physicians, PC (Winfield, IL), Central Dupage Hospital Association (Winfield, IL), Dupage Medical Group Ltd (Downers Grove, IL), Mendota Community Hospital (Mendota, IL), Osf Multi-Specialty Group (Peoria, IL) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Niko Keys's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Niko Keys affiliated with any hospitals?
According to CMS data, Niko Keys is affiliated with Osf Saint Elizabeth Mdl Ctr, Northwestern Medicine Central Dupage Hospital, Warner Hospital And Health Services, Osf Saint Paul Medical Center and Crawford Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Niko Keys was last updated on December 28, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Niko Keys, MD · NPI 1881783793
Emergency Medicine physician in Winfield, Illinois. Individual provider, active in the CMS NPPES registry since October 11, 2006.
## Identity
- **NPI:** 1881783793 (Entity type: Individual)
- **Enumerated:** October 11, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036-087588 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 N. WINFIELD ROAD, Winfield, IL 60190
- **Phone:** (630) 933-2640
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Central Dupage Emergency Physicians, PC (NPI 1619074028, Winfield, IL); Central Dupage Hospital Association (NPI 1003864810, Winfield, IL); Dupage Medical Group Ltd (NPI 1801833983, Downers Grove, IL); Mendota Community Hospital (NPI 1407872997, Mendota, IL); Osf Multi-Specialty Group (NPI 1154908929, Peoria, IL); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 1991
## Record status
- **NPPES last updated:** December 28, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1881783793) · Data from the CMS NPPES public registry.